Mafor decoder navigational ruler



FIG. 1 is a top perspective view of the mafor decoder navigational ruler design of this application;

FIG. 2 is a side view from a first end of said mafor decoder navigational ruler design;

FIG. 3 is a side view from a second end of said mafor decoder navigational ruler design;

FIG. 4 is a top view of said mafor decoder navigational ruler design;

FIG. 5 is a bottom view of said mafor decoder navigational ruler design;

FIG. 6 is a front view of said mafor decoder navigational ruler design; and,

FIG. 7 is a back view of said mafor decoder navigational ruler design. 

The ornamental design for a mafor decoder navigational ruler, as shown and described. 